A 4-day work week should be standard.
40.00% - Overworked employees make more mistakes and produce lower quality output — shorter hours with focused effort often beats long hours with diminishing returns. Good management knows this.
35.00% - Working yourself to death is not a virtue — rest, family time, and recovery are part of a complete human life; nobody on their deathbed wishes they'd put in more overtime.
25.00% - Hunter gathers worked 20-22 hours a week.
0.00% - A 4-day work week should be standard.